Chair arm rest



FIG. 1 is a perspectvie view;

FIG. 2 is a top view;

FIG. 3 is a left side view;

FIG. 4 is a rear view;

FIG. 5 is a right side view;

FIG. 6 is a front view; and,

FIG. 7 is a bottom view.

The ornamental design for a chair arm rest, as shown.